Rewrite mktime from scratch for performance, and for correctness
in the presence of leap seconds.
* time/mktime.c (ydhms_tm_diff, not_equal_tm, print_tm, check_result):
New functions.
(LEAP_SECONDS_POSSIBLE, CHAR_BIT, INT_MIN, INT_MAX,
TIME_T_MIN, TIME_T_MAX, TM_YEAR_BASE, EPOCH_YEAR): New macros.
<limits.h>, <stdlib.h>: New #includes.
(main): Support tests with given broken-down value; support benchmarks.
(__mon_lengths, debugging_enabled, printtm, dist_tm, doit,
do_normalization, normalize, BAD_STRUCT_TM, SKIP_VALUE,
<ctype.h>): Remove.
* time/time.h, time/mktime.c (__mktime_internal): New offset arg.
* time/mktime.c (mktime), time/timegm.c (timegm): Use it.
* time/mktime.c (__mon_yday): New variable; replaces `__mon_lengths'.
time/offtime.c (__offtime), time/tzset.c (compute_change): Use it.
* time/offtime.c (__offtime): Remove useless assignment
`tp->tm_isdst = -1'.
* manual/maint.texi: Update credits.
Fri Oct 6 00:28:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/common/readv.S: Moved to sysdeps/unix/bsd.
* sysdeps/unix/common/writev.S: Moved to sysdeps/unix/bsd.
* sysdeps/unix/sysv/linux/readv.c: File removed.
* sysdeps/unix/sysv/linux/writev.c: File removed.
* sysdeps/unix/configure.in: Check for readv and writev syscalls.
* sysdeps/unix/configure.in: If eval doesn't set $unix_srcname,
set it to $unix_syscall instead of $unix_function.
the list.
* time/northamerica: Corrections to Canada data from ADO 95i.
* sysdeps/unix/sysv/linux/Makefile (headers): Don't append to this
unconditionally. In socket subdir, append sys/socketcall.h; in
time subdir, append sys/timex.h.
(config-LDFLAGS): New variable.
* sysdeps/unix/sysv/linux/Dist: New file.
* Makeconfig (+link): Pass $(config-LDFLAGS) before $(LDFLAGS).
* mktime.c (localtime_r): Add substitute if the system doesn't
provide one.
Mon Sep 18 14:39:20 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* time/gmtime.c (gmtime_r): Define as weak alias.
* time/localtime.c (localtime_r): Define as weak alias.
* time/time.h [__USE_REENTRANT] (gmtime_r, localtime_r): Declare them.
* errno.h: Only define _ERRNO_H #ifndef __need_Emath.
#undef __need_Emath after including errnos.h.
[_ERRNO_H]: Protect decls with this.
Sun Sep 17 08:22:12 1995 Paul Eggert <eggert@twinsun.com>
Fix mktime so that it does not write over localtime's returned value.
* localtime.c (__localtime_r): New function, with extra arg
specifying where to store result.
(localtime): Use it.
(_tmbuf): New var.
* gmtime.c (__gmtime_r, gmtime, _tmbuf): Likewise.
* mktime.c (__mktime_internal): Conversion function is now
__localtime_r style, not localtime style.
(mktime): Pass __localtime_r, not localtime.
* timegm.c (timegm): Pass __gmtime_r, not gmtime.
* offtime.c (__offtime): New arg specifying where to store result.
* time.h (__mktime_internal, __offtime): Adjust decls accordingly.
(__gmtime_r, __localtime_r): New decls.
* time/localtime.c: <stddef.h>, <ctype.h>, <stdio.h>,
<stdlib.h>, <string.h>: Remove includes.
<errno.h>: Add include.
* time/mktime.c, time/time.h, time/timegm.c (__mktime_internal):
Renamed from _mktime_internal to avoid namespace pollution.
* time/gmtime.c: Clear tm_isdst.
* misc/efgcvt_r.c (ecvt_r, fcvt_r): Last arg is size_t, not int.
* stdlib/stdlib.h (ecvt_r, fcvt_r): Fix type of last arg: make it
size_t.
* sysdeps/mach/hurd/fpathconf.c: Call __io_pathconf instead of
__file_pathconf.
* sysdeps/mach/hurd/pathconf.c: Likewise.
* time/australasia: Updated data from ADO.
Mon Aug 28 17:47:11 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* dirent/dirent.h: Don't include <dirstream.h>.
Instead, define DIR as typedef for (undefined) `struct __dirstream'.
* sysdeps/unix/sysv/ftime.S: New file.
* locale/locfile-parse.c (categories_write): Cast "" to char *.
* io/fcntl.h [__OPTIMIZE__] (creat): Macro removed.
* time/strftime.c: Use year modulo 100 for %y.
* time/sys/timeb.h: Add __BEGIN_DECLS and __END_DECLS.
* sysdeps/unix/snarf-ioctls (snarfexclude): Use two sed's instead
of one, to work around bug in sunos4.1.2 sed.
* locale/C-ctype.c: New correct data generated by drepper.
* Rules: Don't use $(libc.a).
Parsing of grouped numbers contributed by Ulrich Drepper.
* stdlib/strtol.c (__strtol_internal): Renamed from strtol. Take
new flag arg; if nonzero, parse locale-dependent thousands
grouping and interpret only the prefix that is correctly grouped.
(strtol): Define this to call _strtol_internal with zero for the flag.
Use a weak symbol for the definition.
* stdlib/strtod.c (strtod, __strtod_internal): Likewise.
Check for the exponent of the number overflowing the float format.
* stdlib/stdlib.h (__strtof, __strtold): Declarations removed.
(__strto{f,d,ld,l,ul,q,uq}_internal): Declare these functions.
[__OPTIMIZE__]: Define inline functions calling those.
* stdlib/grouping.h: New file, written by drepper.
* stdlib/Makefile (distribute): Add grouping.h.
* stdio/vfscanf.c: Grok %' modifier to numeric conversions. Call
__strtoX_internal with the grouping flag set iff the modifier is
present.
Wed Mar 15 00:40:54 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/generic/memchr.c: Fix typos: limit.h -> limits.h.
* mach/Machrules: Produce static deps for all object flavors.
[interface-library]: Remove all these variables and rules.
($(interface-library)-routines): Define this variable.
(extra-libs): Append $(interface-library) to this.
* mach/Makefile (interface-library): Omit .a suffix.
* hurd/Makefile: Likewise.
Tue Mar 14 23:40:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* stdio/internals.c (flushbuf): If !FLUSH_ONLY, don't skip out
early if no new data in buffer after priming.
* Makerules (object-suffixes, libtypes): Move all these variables
to Makeconfig.
* Makeconfig (object-suffixes, libtypes): Moved here from Makerules.
* Makerules (build-extra-lib): New canned sequence.
* sysdeps/mach/hurd/euidaccess.c: Include fcntl.h. Declare ERR;
fix uses of FILE and PORT. Remove bogus weak alias for `access'.
* sysdeps/mach/hurd/dirfd.c: Include hurd/fd.h and errno.h.
Add missing semicolon.
* sysdeps/mach/hurd/opendir.c: Include hurd/fd.h. Use a `struct
hurd_fd *' temp var, since DIRP->__fd is a `void *'.
* sysdeps/mach/hurd/readdir.c: Include hurd/fd.h.
* stdlib/wcstombs.c: #if 0 out code for non-ASCII chars until the
locale data format is implemented.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
Pass &__sigreturn on the stack to the trampoline code, so it is
not position-dependent.
* stdio/printf_fp.c (NDEBUG): Define this to disable assert.
Don't include <stdarg.h>.
(__printf_fp): Last arg ARGS is now `const void **const';
dereference ARGS[0] instead of using va_arg.
* locale/setlocale.c: In LC_ALL case, initialize CATEGORY before
loop to install data.
* locale/loadlocale.c (_nl_category_num_items): Use _NL_ITEM_INDEX
to extract number from item code.
(_nl_load_locale): Close the descriptor when finished.
* malloc/realloc.c (_realloc_internal): Call _malloc_internal in
place of malloc.
* time/tzfile.c (__tzfile_default): Initialize RULE_STDOFF to zero.
* posix/glob/configure.bat: Fixes from DJ.
* time/backward, time/europe, time/northamerica, time/pacificnew,
time/zdump.c, time/zic.c, time/tzfile.h, time/private.h,
time/ialloc.c: Code and data updated from ADO's 95b.
* time/emkdir.c: File removed.
* time/Makefile (distribute, extra-objs, zic): Omit it.
* time/localtime.c: Deansideclized. Never #define __tzname et al
to non-__ names.
* locale/lc-ctype.c (__ctype_tolower, __ctype_toupper): Use int *
instead of short int *.
* ctype/ctype-info.c: Likewise.
* ctype/ctype.h: Likewise.
* locale/langinfo.h (_NL_CTYPE_CLASS): Use this (just one) instead
of EB and EL versions.
* locale/localeinfo.h: Rewritten for new locale system, using
locale data files and with <langinfo.h> interface.
* locale/setlocale.c: Rewritten to use locale data files.
* langinfo.h: New file.
* locale/langinfo.h: New file.
* locale/nl_langinfo.c: New file.
* locale/loadlocale.c: New file.
* locale/lc-ctype.c: New file.
* locale/lc-messages.c: New file.
* locale/lc-monetary.c: New file.
* locale/lc-numeric.c: New file.
* locale/lc-time.c: New file.
* locale/categories.def: New file.
* locale/Makefile (headers): Remove localeinfo.h.
(distribute): New variable; put localeinfo.h here, and categories.def.
(routines): Add loadlocale.
(categories): New variable.
(aux): Use that to get C-category and lc-category.
* ctype/ctype.h (_IS*): Use independent bits for all but _ISalnum.
* locale/C-ctype.c, locale/C-messages.c: New files.
* locale/C-monetary.c, locale/C-numeric.c, locale/C-time.c:
Default "C" locale data updated for new locale system.
* locale/C-collate.c: File removed.
* locale/C-ctype_ct.c: File removed.
* locale/C-ctype_mb.c: File removed.
* locale/C-response.c: File removed.
* locale/localeconv.c: Use _NL_CURRENT macro to access locale data.
* stdio/printf_fp.c, stdio/vfprintf.c, stdio/vfscanf.c,
stdlib/strtod.c, time/asctime.c, time/strftime.c:
Include ../locale/localeinfo.h and use _NL_CURRENT macro to access
locale data.
* time/localtime.c: Don't include <localeinfo.h>.
* time/tzset.c: Don't use locale items for default TZ value or
"GMT" string (use "UTC").
* stdio/vfprintf.c [USE_IN_LIBIO] (PAD): Only call the function if
WIDTH>0; update DONE.
* malloc/malloc.c (morecore): Fix last change to calculate by
blocks instead of bytes.
